2 Divers Found Dead in Dangerous Underwater Caves

Patrick Peacock and Chris Rittenmeyer were found in a very dangerous and complex area of the cave system in Florida known as Eagle's Nest.
1:56 | 10/19/16

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Transcript for 2 Divers Found Dead in Dangerous Underwater Caves
Now to those deadly caves, a pair of divers' bodies found Monday after exploring the extremely dangerous underwater system in Florida. This is not the first time someone has died there. ABC's Matt Gutman has a look inside. Reporter: Those two divers plunged into what's called the Everest of underwater caves but never emerged. Patrick peacock and Chris rittenmeyer were friends and experienced divers. But they had taken on the eagle's nest, dangerously deep labyrinth for divers. I don't believe at any time they thought they were at risk until the very end. Reporter: Below the clear water are these serpentine caves that extend up to 2,000 feet and require a diver to dive up to 300 feet down. It's so cavernous it took emergency divers a full day to find them and pull them to the surface from the part of the cave known as the Pitt. If you're an experienced cave diver it can have tragic results if even one little thing goes wrong. Reporter: The eagle's nest cave has now claimed ten lives since 1981. So deadly that officials installed this sign reading prevent your death. Go no farther. Officials who are examining the two divers' air tanks haven't yet said what specifically caused the accident but at the depths of nearly a football field where your lungs are squeezed to the size of your fist one of the biggest dangers is nitrogen far coast cyst. You have a lack of judgment and lose some of your inhibitions. For some people they may just simply freeze up and do what we call whiteout. Reporter: Florida officials closed it from 1999 to 2003 but cave diving enthusiasts lobbied to have it re-opened. For "Good morning America," Matt Gutman, ABC news, Los Angeles. Our thanks again to Matt. Ten lives since 1981. It's beautiful down there but dangerous obviously.

This transcript has been automatically generated and may not be 100% accurate.

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